Shutoff valve with a flap member

Details Shutoff valve with a flap member Shutoff valve with a flap member

1985-01-25

1986-04-08

Schwadron, Martin P.

Fluid handling

Systems

Sequentially progressive opening or closing of plural valves

13762546, 137375, 1375992, F16K 1114, F16K 1112

Patent

active

045806039

ABSTRACT:
A shutoff valve has a movable flap member rotatably mounted in a valve housing. The valve housing has concentric, spherically-shaped sealing surface zones which cooperate with an edge of the flap member. The housing also has two coaxial couplings and one perpendicular coupling. By rotation of the flap member, flow can be directed from the perpendicular coupling to either of the two coaxial couplings. The three couplings have axes which meet at a common point. The rotational axis of the flap member passes through that common point. The two concentric spherical sealing surface zones are separated by a 90.degree. rotation of the flap member.

REFERENCES:
patent: 2351613 (1944-06-01), Hopkins
patent: 2796082 (1957-06-01), Green et al.
patent: 3078070 (1963-02-01), Cooper
patent: 3228653 (1966-01-01), Trimmer

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